include ComfyUI support in README

Signed-off-by: Gaoyang Zhang <gy@blurgy.xyz>

README.md

@@ -45,6 +45,11 @@ spatial relationships between objects.
 - **Framework**: Diffusers
 - **License**: Non-Commercial (see [./LICENSE])
 
+## ComfyUI Support
+
+We provide a custom node with examples at [comfyui-node-impl]. Use the
+ComfyUI-compatible LoRA checkpoint [comfyui-checkpoint] to get started.
+
 ## Intended Use
 
 - Generating images with accurate spatial relationships between objects
@@ -124,6 +129,9 @@ Weights for this model are available in Safetensors format.
 
 [Download](/blurgy/CoMPaSS-FLUX.1/tree/main) them in the Files & versions tab.
 
+[comfyui-node-impl]: <https://github.com/blurgyy/CoMPaSS-FLUX.1-dev-ComfyUI>
+[comfyui-checkpoint]: <./CoMPaSS-FLUX.1-comfyui.safetensors>
+
 [./LICENSE]: <./LICENSE>
 [Project page]: <https://compass.blurgy.xyz>
 [code]: <https://github.com/blurgyy/CoMPaSS>